When Is The First Day Of Spring 2025 Calendar. This date marks the spring equinox in the northern hemisphere. When is first day of spring in 2025?

In the northern hemisphere, the astronomical start of spring, also known as the spring equinox, will occur on thursday, march 20, at 5:01 am edt in 2025. Spring 2025 starts on thursday, march 20th in the northern hemisphere, with daylight time lengthening and the leaves begining show on the trees with the changing tilt of the earth’s.